COMET 3I/ATLAS was approximately 169,150,000 miles away traveling at approximately 125,000 mph when I imaged it early morning 12/20/25 . It was one day past its closest point of approach to Earth.

The winter solstice marks the shortest day of the year in the northern hemisphere. Earth's seasons are caused by its axial tilt, not its distance from the sun. Following the winter solstice, daylight ...

December 21 marks the first official day of winter. It’s also the shortest day of the year, a time to turn inward and reflect on the months behind us, while also making space to embrace those ahead.

Meteorologists consider the arrival of December as the start of winter, the beginning of the coldest three months of the year. Astronomically, the season started a little after 10 a.m. on Sunday, ...

The winter solstice this year occurs on Dec. 21. The winter solstice marks the shortest day and longest night of the year. After Dec. 21, the hours of daylight will slowly increase until the summer ...

When is the winter solstice? The next winter solstice for the Northern Hemisphere will occur on Dec. 21, 2025, and the next Winter Solstice for the Southern Hemisphere will occur on June 21, 2025. The ...

The winter solstice, occurring on December 20 at 10:03 A.M. EST, initiates astronomical winter in the Northern Hemisphere and summer in the Southern Hemisphere, corresponding to the Northern ...